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10.5''', Dm= 23.3mm, Do= 23.7mm
f = 18000 A/h
power reserve 48h
Balance staff U2555
Mainspring / battery
1.30 x 10.0 x 0.10mm
1.50 x 0.90 x 0.22mm
Comments about the data
strange: indirectly driven minute allows a relatively big balance (design similar to the Zenith 135)
differences not known between 1406U, 1406G
1406: 10.5''', manual wind
1407: 11.5''', manual wind
1436: 10.5''', automatic
Example, year: signature; shock device
1953: 3866175, Eterna - Patented; Eterna-U
(Eterna 1407U, 11.5''')
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
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